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Biochemistry: The Molecular Basis of Life
6th Edition
ISBN: 9780190209896
Author: Trudy McKee, James R. McKee
Publisher: Oxford University Press
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Chapter 4, Problem 49TQ
Summary Introduction
To review:
Whether the laws of
Introduction:
The physical science branch thatdeals with heat and temperature, is referred as thermodynamics. It also relates the phenomenon of heat and temperature to energy and work. There are certain laws of thermodynamics thatgoverns the behavior of natural phenomenon like heat, temperature, wor, knd energy.
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Students have asked these similar questions
Question 4.
Diabetes mellitus possesses a serious health challenge worldwide and there has been an
increased awareness for self-monitoring and point of care testing. The development of self-
monitoring of blood glucose (SMBG) is probably the most important advance in controlling
diabetes since the discovery of insulin.
a) Dextrostix, the first glucose meter was invented by Ernie Adams. Briefly discuss.
b) There are three principles of enzymatic reactions, utilized by current glucose meters.
Compare and briefly discuss these three principles.
Each type of enzyme contains a unique, intricately shapedbinding surface called an _____________________.
The rate of enzyme activity can be affected by changes in ____________ and __________________.
Chapter 4 Solutions
Biochemistry: The Molecular Basis of Life
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- The synthesis of enzymes in response to changing metabolicneeds is referred to as _____________________.arrow_forwardQUESTION 17 calculate the KM AND the total amount of enzyme present in these experiments. The following equations relate to this question. (Hint 1: some data is directly apparent without need to do calculations; Hint 2: Watch your exponents.) Kcat= Substrate concentration (mm) 1 2 4 6 100 1,000 The turnover number for an enzyme is known to be 5,000 min-1. From the following set of data, 250 334 376 500 500 Vmax [Et] Initial velocity (μmol/min) 167 G. 10 mM H. 250 uM 1. 2 mM J. 100 mM Part 1 Total Enzyme amount (choose from options A-E) Part 2 ( Enzyme KM: (choose from options G-J) A. Total enzyme = 10 umol B. Total enzyme = 0.1 umol OC. Total enzyme = 100 μmol D. Total enzyme = 1000 μmol E. Total enzyme = 10 μmol OF Vo = Vmax[S] KM + [S]arrow_forwardThe first and second laws of thermodynamics are useful for biochemists who investigate chemical reactions in living organisms. Explain why the third law is not useful.arrow_forward
- Four important properties of enzymes are high catalytic rate,high degree of substrate specificity, negligible formation ofside products, and _____________________.arrow_forwardQuestion 6 Review Concept 8.4 Enzymes. Match the term and its description. Each term can only be used once. These are nonprotein enzyme helpers. [ Choose) These inhibitors bind to the active site of an enzyme, [ Choose ) competing with the substrate to decrease reaction > >arrow_forwardwhat is the first and 2nd law of thermodynamics? define and what are the implications of those laws?arrow_forward
- To reach the native state, the unfolded state has to go through a _____________ state which is more energetically unstable than both the unfolded and the native states.arrow_forwardwhat is the importance of the first law of thermodynamics in biological systems, especially living organisms?arrow_forwardAllosteric enzymes allow the rate of reactions to control the activity. For example, the production of Product (P) can stop or limit the activity of enzyme 1 via _____________________________.arrow_forward
- In living organisms, _____________ is the high-energy molecule that links food molecule degradation reactions with biosynthetic reactions.arrow_forwardEach type of enzyme contains a unique, intricately shaped binding surface called a(n) _____________.arrow_forwardQuestion 10 Observe this structure, use the pK, table, and choose the CORRECT statement. H2N-CH-C-OH CH2 OH O Tyrosine's side chain is involved in hydrogen bonding typical of secondary structures O Tyrosine's alpha carboxyl group is the most acid of the three dissociable groups O Tyrosine's side chain is partially dissociated at physiological pH O All of these are correctarrow_forward
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